Replacing a managed device
The s erial number will be verified before each management connection. In the event of a replaced device, it is necessary to manually change the serial number in the FortiManager system and re-deploy the configuration.

View all managed devices from the CLI
To view all devices that are being managed by your FortiManager , use the following command:
diagnose dvm device list
The output lists the number of managed devices, device type, OID, device serial number, VDOMs, HA status, IP address, device name, and the ADOM to which the device belongs. View all managed devices from the CLI

Changing the serial number from the CLI
If the device serial number was entered incorrectly using the Add Model Device wizard, you can replace the serial number from the CLI only. Use the command:
execute device replace sn <device name> <serial number>
This command is also useful when performing an RMA replacement.
Editing device information
You can edit device information including the Name , Description , IP address , Admin User , and Password .

1. Select the ADOM from the drop-down list.
2. In the tree menu select the device group and device.
3. Right-click on the device row and select Edit from the right-click context menu. Edit a device

4. Edit the following settings as required.

Name The name of the device.
Description Descriptive information about the device.
Company /Organization Company or organization information.
Country Type the country.
Province/State Type the province or state.
City Type the city.
Contact Type the contact name.
IP Address The IP address of the device.
Admin User The administrator user name.
Password The administrator user password
Device Information Information about the device, including serial number, device model, firmware version, connected interface, HA mode, cluster name, and cluster members.
Disk Log Quota The amount of space that the disk log is allowed to use, in MB. The minimum value is 100MB. The maximum value depends on the device model and available disk space.
This field is only available when FortiAnalyzerFeatures is enabled.
When Allocated Disk Space is Full The action for the system to take when the disk log quota is filled. This field is only available when FortiAnalyzerFeatures is enabled.
Secure Connection Select check box to enable this feature. Secure Connection secures OFTP traffic through an IPsec tunnel.
This field is only available when FortiAnalyzerFeatures is enabled.
ID The ID is the device serial number.
Pre-Shared Key The pre-shared key for the IPsec connection between the FortiGate and FortiManager .
Device Permissions The device’s permissions. Device permissions include logs, DLP archive, quarantine, and IPS packet log.
This field is only available when FortiAnalyzerFeatures is enabled.
Manage FortiAP Select to manage FortiAP per device or centrally. When managing FortiAP centrally, FortiAP devices will be listed in the All FortiAP group in the ADOM. When selecting to manage FortiAP per device, you will select the FortiGate that is managing the FortiAP and select the System > FortiAP device tab. You can configure WiFi templates in the Provisioning Templates > WiFi Templates > Custom AP Profiles section.
Manage FortiClient Select to manage FortiClient per device or centrally.
You can configure FortiClient templates in the Provisioning Templates > FortiClient Templates > FortiClient Profile section.